<?php

namespace App\Services\AiEditing;

use App\Models\Event;
use App\Services\Addons\EventFeatureEntitlementService;

class AiStylingEntitlementService
{
    public function __construct(private readonly EventFeatureEntitlementService $featureEntitlements) {}

    public function packageFeatureKey(): string
    {
        $featureKey = trim((string) config('ai-editing.entitlements.package_feature', 'ai_styling'));

        return $featureKey !== '' ? $featureKey : 'ai_styling';
    }

    /**
     * @return array<int, string>
     */
    public function addonKeys(): array
    {
        return array_values(array_filter(array_map(
            static fn (mixed $key): string => trim((string) $key),
            (array) config('ai-editing.entitlements.addon_keys', ['ai_styling_unlock'])
        )));
    }

    public function lockedMessage(): string
    {
        $message = trim((string) config('ai-editing.entitlements.locked_message', ''));

        if ($message !== '') {
            return $message;
        }

        return 'AI editing requires the Premium package or the AI Styling add-on.';
    }

    /**
     * @return array{
     *   allowed: bool,
     *   granted_by: 'package'|'addon'|null,
     *   required_feature: string,
     *   addon_keys: array<int, string>
     * }
     */
    public function resolveForEvent(Event $event): array
    {
        return $this->featureEntitlements->resolveForEvent(
            $event,
            $this->packageFeatureKey(),
            $this->addonKeys(),
        );
    }

    public function hasAccessForEvent(Event $event): bool
    {
        return (bool) $this->resolveForEvent($event)['allowed'];
    }
}